/**************************************************************
 * 
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 * 
 *   http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 * 
 *************************************************************/


#ifndef _PORLIN_HXX
#define _PORLIN_HXX

#include "possiz.hxx"		// SwPosSize

class XubString;
class SwTxtSizeInfo;
class SwTxtPaintInfo;
class SwTxtFormatInfo;
class SwPortionHandler;

// Die Ausgabeoperatoren der Portions sind virtuelle Methoden der Portion.
// Das CLASSIO-Makro implementiert die 'freischwebende' Funktion.
// Auf diese Weise erhaelt man beide Vorteile: virtuelle Ausgabeoperatoren
// und allgemeine Verwendbarkeit.
#ifdef DBG_UTIL
#define OUTPUT_OPERATOR  virtual SvStream &operator<<( SvStream & aOs ) const;
#else
#define OUTPUT_OPERATOR
#endif

// Portiongruppen
#define PORGRP_TXT		0x8000
#define PORGRP_EXP		0x4000
#define PORGRP_FLD		0x2000
#define PORGRP_HYPH		0x1000
#define PORGRP_NUMBER	0x0800
#define PORGRP_GLUE		0x0400
#define PORGRP_FIX		0x0200
#define PORGRP_TAB		0x0100
#define PORGRP_NOTRECY	0x0080
// kleine Spezialgruppen
#define PORGRP_FIXMARG	0x0040
//#define PORGRP_?	0x0020
#define PORGRP_TABNOTLFT 0x0010
#define PORGRP_TOXREF	0x0008

/*************************************************************************
 *						class SwLinePortion
 *************************************************************************/

class SwLinePortion: public SwPosSize
{
protected:
	// Hier gibt es Bereiche mit unterschiedlichen Attributen.
	SwLinePortion *pPortion;
	// Anzahl der Zeichen und Spaces auf der Zeile
	xub_StrLen nLineLength;
	KSHORT nAscent; 	 // Maximaler Ascender

	SwLinePortion();
private:
	MSHORT nWhichPor;		// Who's who?

	void _Truncate();

public:
	inline 			SwLinePortion(const SwLinePortion &rPortion);
		   virtual ~SwLinePortion();

	// Zugriffsmethoden
	inline SwLinePortion *GetPortion() const { return( pPortion ); }
	inline SwLinePortion &operator=(const SwLinePortion &rPortion);
	inline sal_Bool operator==( const SwLinePortion &rPortion ) const;
	inline xub_StrLen GetLen() const { return nLineLength; }
	inline void SetLen( const xub_StrLen nLen ) { nLineLength = nLen; }
	inline void SetPortion( SwLinePortion *pNew ){ pPortion = pNew; }
	inline KSHORT &GetAscent() { return nAscent; }
	inline KSHORT GetAscent() const { return nAscent; }
	inline void SetAscent( const KSHORT nNewAsc ) { nAscent = nNewAsc; }
	inline void  PrtWidth( KSHORT nNewWidth ) { Width( nNewWidth ); }
	inline KSHORT PrtWidth() const { return Width(); }
	inline void AddPrtWidth( const KSHORT nNew ) { Width( Width() + nNew ); }
	inline void SubPrtWidth( const KSHORT nNew ) { Width( Width() - nNew ); }

	inline const SwPosSize &PrtSize() const { return *this; }

	// Einfuegeoperationen:
	virtual SwLinePortion *Insert( SwLinePortion *pPortion );
	virtual SwLinePortion *Append( SwLinePortion *pPortion );
			SwLinePortion *Cut( SwLinePortion *pVictim );
	inline	void Truncate();

	// liefert 0 zurueck, wenn keine Nutzdaten enthalten sind.
	virtual SwLinePortion *Compress();

	inline void SetWhichPor( const MSHORT nNew )	{ nWhichPor = nNew; }
	inline MSHORT GetWhichPor( ) const        { return nWhichPor; }

// Gruppenabfragen:
	inline sal_Bool InTxtGrp( )	const { return nWhichPor & PORGRP_TXT ? sal_True : sal_False; }
	inline sal_Bool InGlueGrp( )	const { return nWhichPor & PORGRP_GLUE ? sal_True : sal_False;}
	inline sal_Bool InTabGrp( )	const { return nWhichPor & PORGRP_TAB ? sal_True : sal_False; }
	inline sal_Bool InHyphGrp( )	const { return nWhichPor & PORGRP_HYPH ? sal_True : sal_False;}
	inline sal_Bool InNumberGrp( )const { return nWhichPor & PORGRP_NUMBER ? sal_True : sal_False;}
	inline sal_Bool InFixGrp( )	const { return nWhichPor & PORGRP_FIX ? sal_True : sal_False;  }
	inline sal_Bool InFldGrp( )	const { return nWhichPor & PORGRP_FLD ? sal_True : sal_False;  }
	inline sal_Bool InToxRefGrp( ) const { return nWhichPor &	PORGRP_TOXREF ? sal_True : sal_False;  }
	inline sal_Bool InToxRefOrFldGrp( )	const { return nWhichPor &
								( PORGRP_FLD | PORGRP_TOXREF ) ? sal_True : sal_False;  }
	inline sal_Bool InExpGrp( )	const { return nWhichPor & PORGRP_EXP ? sal_True : sal_False;  }
	inline sal_Bool InTabnLftGrp( ) const
		{ return nWhichPor & PORGRP_TABNOTLFT ? sal_True : sal_False;  }
	inline sal_Bool InFixMargGrp( )const
		{ return nWhichPor & PORGRP_FIXMARG ? sal_True : sal_False;  }
	inline sal_Bool InSpaceGrp( )const
		{ return InTxtGrp() || IsMultiPortion();  }
// Individuelle Abfragen:
	inline sal_Bool IsGrfNumPortion( )const{ return nWhichPor == POR_GRFNUM; }
	inline sal_Bool IsFlyCntPortion( )const{ return nWhichPor == POR_FLYCNT; }
	inline sal_Bool IsBlankPortion( )	const{ return nWhichPor == POR_BLANK; }
	inline sal_Bool IsBreakPortion( )	const{ return nWhichPor == POR_BRK; }
	inline sal_Bool IsErgoSumPortion()const{ return nWhichPor == POR_ERGOSUM;}
	inline sal_Bool IsQuoVadisPortion()const{ return nWhichPor==POR_QUOVADIS;}
	inline sal_Bool IsTabCntPortion( )const{ return nWhichPor==POR_TABCENTER;}
	inline sal_Bool IsTabDecimalPortion() const { return nWhichPor == POR_TABDECIMAL;}
	inline sal_Bool IsTabLeftPortion()const{ return nWhichPor == POR_TABLEFT;}
	inline sal_Bool IsFtnNumPortion( )const{ return nWhichPor == POR_FTNNUM; }
	inline sal_Bool IsFtnPortion( )	const{ return nWhichPor == POR_FTN; }
	inline sal_Bool IsTmpEndPortion( )const{ return nWhichPor == POR_TMPEND; }
	inline sal_Bool IsDropPortion( )	const{ return nWhichPor == POR_DROP; }
	inline sal_Bool IsLayPortion( )	const{ return nWhichPor == POR_LAY; }
	inline sal_Bool IsParaPortion( )	const{ return nWhichPor == POR_PARA; }
	inline sal_Bool IsMarginPortion( )const{ return nWhichPor == POR_MARGIN; }
	inline sal_Bool IsFlyPortion( )	const{ return nWhichPor == POR_FLY; }
	inline sal_Bool IsHolePortion( )	const{ return nWhichPor == POR_HOLE; }
	inline sal_Bool IsSoftHyphPortion()const{ return nWhichPor==POR_SOFTHYPH;}
	inline sal_Bool IsPostItsPortion()const{ return nWhichPor == POR_POSTITS;}
	inline sal_Bool IsCombinedPortion()const{ return nWhichPor==POR_COMBINED;}
	inline sal_Bool IsTextPortion( ) const{ return nWhichPor == POR_TXT; }
	inline sal_Bool IsURLPortion( ) const{ return nWhichPor == POR_URL; }
	inline sal_Bool IsHangingPortion( ) const{ return nWhichPor == POR_HNG; }
	inline sal_Bool IsKernPortion( ) const{ return nWhichPor == POR_KERN; }
	inline sal_Bool IsArrowPortion( ) const{ return nWhichPor == POR_ARROW; }
	inline sal_Bool IsMultiPortion( ) const{ return nWhichPor == POR_MULTI; }
	inline sal_Bool IsNumberPortion( ) const{ return nWhichPor == POR_NUMBER; } // #i23726#
	inline sal_Bool IsControlCharPortion() const { return nWhichPor == POR_CONTROLCHAR; }

	// Positionierung
	SwLinePortion *FindPrevPortion( const SwLinePortion *pRoot );
	SwLinePortion *FindLastPortion();

	virtual xub_StrLen GetCrsrOfst( const KSHORT nOfst ) const;
	virtual SwPosSize GetTxtSize( const SwTxtSizeInfo &rInfo ) const;
	void CalcTxtSize( const SwTxtSizeInfo &rInfo );

	// Ausgabe
	virtual void Paint( const SwTxtPaintInfo &rInf ) const = 0;
    void PrePaint( const SwTxtPaintInfo &rInf, const SwLinePortion *pLast ) const;

#ifdef DBG_UTIL
	virtual sal_Bool Check( SvStream &rOs, SwTxtSizeInfo &rInfo ); //$ ostream
#endif

	virtual sal_Bool Format( SwTxtFormatInfo &rInf );
	// wird fuer die letzte Portion der Zeile extra gerufen
	virtual void FormatEOL( SwTxtFormatInfo &rInf );
			void Move( SwTxtPaintInfo &rInf );

	// Fuer SwTxtSlot
	virtual sal_Bool GetExpTxt( const SwTxtSizeInfo &rInf, XubString &rTxt ) const;

	// fuer SwFldPortion, SwSoftHyphPortion
	virtual KSHORT GetViewWidth( const SwTxtSizeInfo &rInf ) const;

	// for text- and multi-portions
    virtual long CalcSpacing( long nSpaceAdd, const SwTxtSizeInfo &rInf ) const;

    // Accessibility: pass information about this portion to the PortionHandler
    virtual void HandlePortion( SwPortionHandler& rPH ) const;

	OUTPUT_OPERATOR
};


/*************************************************************************
 *					inline - Implementations
 *************************************************************************/

inline SwLinePortion &SwLinePortion::operator=(const SwLinePortion &rPortion)
{
	*(SwPosSize*)this = rPortion;
	nLineLength = rPortion.nLineLength;
	nAscent = rPortion.nAscent;
	nWhichPor = rPortion.nWhichPor;
	return *this;
}

inline sal_Bool SwLinePortion::operator==(const SwLinePortion &rPortion ) const
{
	return( Height() == rPortion.Height() &&
            Width() == rPortion.Width() &&
			nLineLength == rPortion.GetLen() &&
			nAscent == rPortion.GetAscent() );
}

inline SwLinePortion::SwLinePortion(const SwLinePortion &rPortion) :
	SwPosSize( rPortion ),
	pPortion( 0 ),
	nLineLength( rPortion.nLineLength ),
	nAscent( rPortion.nAscent ),
	nWhichPor( rPortion.nWhichPor )
{
}

inline void SwLinePortion::Truncate()
{
	if ( pPortion )
		_Truncate();
}


//$ ostream
#ifdef DBGTXT
#define CLASSIO( class ) \
	inline SvStream &operator<<( SvStream &rOs, const class &rClass ) {\
			return rClass.operator<<( rOs );\
	}
#else
#define CLASSIO( class )
#endif

CLASSIO( SwLinePortion )

#endif